OpenThena
6.5#58 in ai chatbots and assistantsFree planFree planWebAPILinuxSelf-hosted
VisitOpenThena vs Perplexity
Perplexity
8.2#1 in ai research assistantsFrom $20 a monthFree planAndroidiOSWebAPI
VisitWhat both publish
| Fact | OpenThena | Perplexity |
|---|---|---|
| Free plan | Yes | Yes |
OpenThena plans
- OpenThenaFree
Perplexity plans
- FreeFree
- Pro$20 a month
- Max$200 a month
- Education ProPriced on request
- Education Pro—
- Enterprise Pro$40 a month
Pick OpenThena if…
You want what its maker publishes above — check its page for the details.
Pick Perplexity if…
Perplexity suits people who want cited answers from web, file, and connected-app searches. Its higher-tier plans are designed for professionals, writers, strategists, researchers, and other power users.